
They still occupy the space in the system until they are overwritten by something else. However, in this way, the items just disappear in your eyes, but they files inside are not actually erased.

Here, you have finished a fast empty of Trash. Step 2: Select "Empty Trash" in the popup. Step 1: Click and hold the "Trash" icon in the Dock. Getting a fast and secure Trash empty is very easy.

Part 1: How to empty Trash on Mac fast and securely Force empty Trash on Mac when data are in use or locked

It still gives the opportunity to get back the deleted items within it. This post lists 6 solutions to empty your Mac Trash, even when the item is in use or locked. Emptying your Trash on Mac thoroughly is the key. Putting items into Trash is never the ending of permanent or secure deletion.
